New York's flagship John F. Kennedy International Airport is getting a $13billion face-lift that will add two new terminals and increase capacity by around 15million passengers a year — but it might not impact flight delays.

The new international terminals will add four million square feet to the airport, with the first new gates opening in 2023 and the project to be wrapped up in 2025, officials said.

Ninety percent of the $13billion price tag will come from private investment, they added.

New York Governor Andrew Cuomo unveiled plans for a $13billion renovation of JFK International Airport Thursday

The plans include the creation of two new terminals, which would include a combined 35 gates and four million square feet

High ceilings, natural light, green space, play areas and free Wi-Fi are among the features planned for the new terminals

The airport updates are meant to help turn JFK into 'a 21st century transportation hub' to compete with other major cities

Governor Andrew Cuomo said the project would transform JFK into 'a 21st century transportation hub' and enable it to join 'the ranks as one of the finest airports in the world.'

The biggest overhauls would be to the airport's terminals, AirTrain and roads connecting the terminals, but would not include the addition of any runways due to the fact that new runways would require building out onto land next to the airport or going further into Jamaica Bay, according to the New York Times.

The Terminal One Group — a consortium consisting of Lufthansa, Air France, Japan Airlines and Korea Airline — is said to have pledged $7million towards a new terminal that will replace the existing Terminal 1 and 2.

The new, three million-square-foot terminal will be built on the land where Terminal 3 used to exist, before it was demolished in 2014, according to Curbed New York.

The two new terminals would feature a combined 35 gates, 34 of which would be capable of handling wide-body aircraft

The terminals would include hundreds of thousands of square feet for lounges and retail and dining areas

JetBlue has committed to spending $3billion on a new terminal (shown) after demolishing currently existing Terminal 7

JetBlue will then build a 1.2 million-square-foot terminal (shown) to take over the space where Terminal 6 once stood

A look a proposed rendering of what could be a new passenger food hall area at one of the renovated terminals at JFK

The airport renovations also include money allocated for improving roads in and around the airport, as well as the AirTrain

Governor Cuomo said the project would enable JFK to join 'the ranks as one of the finest airports in the world'

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The terminal is expected to house 24 security lanes and 23 international gates, all save one capable of accommodating wide-body jets such as the Boeing 787 Dreamliner and Airbus A380.

The terminal would also have 116,000 square feet of airport lounge space, with an additional 230,000 square feet devoted to retail and dining areas and 55,000 square feet of green space.

Meanwhile, JetBlue will spend $3billion on its new terminal after demolishing Terminal 7. The low-cost airline will then put a 1.2 million-square-foot terminal in the space where the already demolished Terminal 6 stood.

All the terminals have been designed to include high ceilings, natural light, green spaces, free Wi-Fi and security enhancements, including radiation detection, Curbed reported.

The remainder of the money would be spent on updating infrastructure in and around the airport complex, including increasing the capacity and frequency of the JFK AirTrain, which connects the airport to public rail transportation, as well as the roads connecting the terminals.

The new gates will be able to handle wide-body jets, such as the Airbus A380, which officials said would help airlines handle expected passenger volume growth, in lieu of the addition of new runways or air traffic control system updates

The current JetBlue terminal (T5) as it was shown on its first day of operations on October 22, 2008

Port Authority officials said that a goal of the renovations was to ensure all six terminals would be connected and clean up its messy road structure between the airports

The goal of the road revamping, Port Authority executive director Rick Cotton said, was to ensure that all six free-standing terminals would be interconnected.

Although the JFK airport renovation project does not involve room for adding a runway or updating the air traffic control system, authorities said that the new terminal's ability to handle wide-body jets, in conjunction with new advances in ATC technology, would help airlines deal with anticipated passenger traffic growth, according to the Times.

In 2016, more than 59million passengers passed through JFK, making it the fifth busiest airport in the United States. New York, home to 8.5 million people, is America's most populous city.

The airport first opened to commercial aviation in 1948 and was renamed in 1963 following the assassination of president John F. Kennedy.

It comes with major construction work ongoing at New York's domestic LaGuardia Airport, which Cuomo promised three years ago would be rebuilt from the ground up in what has turned into an $8billion project.

Much has been made of New York's aging transport infrastructure, at odds with the image that the US financial and entertainment capital likes to project as the best city in the world.

Complaints that LaGuardia belonged in a third-world country was a rare point of agreement between Democrats and Republicans.

'We are losing the development race,' Cuomo said Thursday. 'You fly around the world and look at what everyone else is building and then you come back to the United States and you understand that we are being left behind.'

The $13billion airport proposals will need to be approved by the Port Authority commissioners before getting underway.

Notably absent from the airport renovation plans is an additional runway. No new runways are being considered at the moment due to issues with having to build out into neighboring land or further into the Jamaica Bay

If the plans are approved, the first new gates would open in 2023 and the project would wrap up in 2025, officials said

The $13billion airport proposals will need to be approved by the Port Authority commissioners before getting underway